Miralax and Intestinal functional disorder - a phase IV clinical study of FDA data

Summary:

Intestinal functional disorder is reported as a side effect among people who take Miralax (polyethylene glycol 3350), especially for people who are male, 40-49 old, also take Fosamax, and have Osteoporosis.

The phase IV clinical study analyzes which people have Intestinal functional disorder when taking Miralax. It is created by eHealthMe based on reports of 80,819 people who have side effects when taking Miralax from the FDA, and is updated regularly.

What is Miralax?

Miralax has active ingredients of polyethylene glycol 3350. It is often used in constipation. eHealthMe is studying from 81,754 Miralax users. Check the latest studies of Miralax.

What is Intestinal functional disorder?

Intestinal functional disorder is found to be associated with 211 drugs and 310 conditions by eHealthMe. Check the latest studies of Intestinal functional disorder.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 14, 2026

80,819 people reported to have side effects when taking Miralax.
Among them, 12 people (0.01%) have Intestinal functional disorder.

Could Miralax cause Intestinal functional disorder?

Among these 12 people:

What is the gender of people who have Intestinal functional disorder when taking Miralax? *

female: 33.33 %
male: 66.67 %

What is the age of people who have Intestinal functional disorder when taking Miralax? *

What are other drugs people take besides Miralax? *

What are other side effects people have besides Intestinal functional disorder? *

Insomnia (sleeplessness): 7 people, 58.33%
Abdominal Pain: 7 people, 58.33%
Breath Odor: 5 people, 41.67%
Pain: 5 people, 41.67%
Aseptic Necrosis (the death of bone tissue due to a lack of blood supply): 5 people, 41.67%
Intervertebral Disc Degeneration (spinal disc degeneration): 5 people, 41.67%
Neoplasm Malignant (cancer tumour): 5 people, 41.67%
Hernia (hernia happens when part of an internal organ or tissue bulges through a weak area of muscle): 5 people, 41.67%
Depression: 5 people, 41.67%
Cognitive Disorder (mental health disorders affects learning, memory, perception, and problem solving): 5 people, 41.67%

What are the existing conditions these people have? *

Urticaria Pigmentosa (skin disease that produces patches of darker skin (lesions) and very bad itching): 5 people, 41.67%
Osteoporosis (bones weak and more likely to break): 5 people, 41.67%
Cystic Fibrosis (disease of the secretary glands): 2 people, 16.67%
Type 2 Diabetes: 1 person, 8.33%
Thyroid Diseases: 1 person, 8.33%
Stress And Anxiety: 1 person, 8.33%
Quit Smoking: 1 person, 8.33%
Osteopenia (a condition where bone mineral density is lower than normal): 1 person, 8.33%
Nausea (feeling of having an urge to vomit): 1 person, 8.33%
Laxative Supportive Care: 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Miralax and have Intestinal functional disorder?

- Check whether Intestinal functional disorder is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
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Related studies:

Effectiveness of, long term effects of, and alternative drugs to Miralax:

Miralax (81,754 reports)

Browse all side effects of Miralax:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Intestinal functional disorder:

Intestinal functional disorder (211 drugs)

Browse all the conditions that are associated with Intestinal functional disorder:

Intestinal functional disorder (310 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on polyethylene glycol 3350 (the active ingredients of Miralax) and Miralax (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.